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Round|Lab Grown|IGI

1.73ct D I1 Round Lab Grown Diamond

EX • D/I1 • IGI LG786625024

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786625024

Diamond specifications and retailer prices

From $346 NZD
$195 USD
As of October 25, 2026
Save $1,763 NZD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,109 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG786625024 or 786625024. Listed at 11 retailers as of October 25, 2026, with prices from $346 to $2,109, a $1,763 spread on the same certified stone. MOH London lists it at $2,109. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786625024
Dimensions7.69 × 7.66 × 4.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.69 mm7.66 mm1.73 ctD / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786625024
Side View
Table 57.0%Crown 35.6°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $2,109 NZD|Low: $280 NZD|High: $2,161 NZD|Avg: $779 NZD|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3$280 NZD
Retailer 5$346 NZD
Retailer 6$422 NZD
Retailer 8$472 NZD
Retailer 10$523 NZD
Retailer 11$525 NZD
Retailer 2$861 NZD
Retailer 9$882 NZD
Retailer 7$985 NZD
Retailer 4$1,350 NZD
MOH London$2,109 NZD

22 data points across 11 retailers

11 retailers$346 NZD to $2,109 NZD

A
Cheapest Retailer
-
$346 NZD
$195 USD
A
Retailer 2
-
$422 NZD
$238 USD
View
A
Retailer 3
-
$472 NZD
$266 USD
View
Final sale: no returns
A
Retailer 4
-
$523 NZD
$295 USD
View
Retailer 5
-
$525 NZD
$296 USD
View
Price last confirmed 46 days ago
B+
Retailer 6
-
$861 NZD
€462 EUR
View
B+
Retailer 7
-
$882 NZD
$497 USD
View
B+
Retailer 8
-
$985 NZD
$555 USD
View
B
Retailer 9
-
$1,350 NZD
$761 USD
View
Retailer 10
-
$1,563 NZD
$881 USD
View
Price last confirmed 46 days ago
Most Expensive
B
MOH London
LG786625024 · Oct 29
$2,109 NZD
£936 GBP
View
10 more retailers have this diamond
Prices start from $346 NZDSave up to $1,763 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.73ct Round
$346 NZD